Re: [PATCH] watchdog, SP5100: Check if firmware has set correctvalue in tcobase.
From: Konrad Rzeszutek Wilk
Date: Wed Mar 16 2011 - 20:06:54 EST
On Wed, Mar 16, 2011 at 02:18:17PM -0700, Yinghai Lu wrote:
> Stefano found SP5100 TCO watchdog driver using wrong address.
> [ 9.148536] SP5100 TCO timer: SP5100 TCO WatchDog Timer Driver v0.01
> [ 9.148628] DEBUG __ioremap_caller WARNING address=b8fe00 size=8 valid=1 reserved=1
> and e820 said that range is RAM.
> We should check if we can use that reading out. BIOS could just program wrong address there.
> -v2: Mike pointed out one path need one release.
> Reported-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> Signed-off-by:Yinghai Lu <yinghai@xxxxxxxxxx>
> Acked-by: Mike Waychison <mikew@xxxxxxxxxx>
Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
this fixes my bootup issues with your:
xen: set max_pfn_mapped to the last pfn mapped
patch. Will try the full patchset tomorrow.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/